What does pH measure?

A. The total number of acid molecules in solution?

B. The concentration of hydrogen lons in solution?

C. The concentration of oxygen atoms in solution?

D. The total number of base molecules in solution?

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.

Construct at least two possible hypotheses for the student’s experiment.